To apply a rotation transform in Blender, use the "Apply" operator to bake the current rotation values into the object's base data. This essentially resets the object's rotation to zero in the Object Data properties while visually preserving its orientation in the scene.
Applying Rotation Transform
Applying the rotation transform ensures that the object's local axes align with its current orientation in the scene. This is crucial for several reasons:
- Accurate Modeling: When modeling further details, you want to work with local axes that make sense for the object's orientation.
- Modifiers: Modifiers often behave differently depending on an object's rotation. Applying the rotation ensures predictable behavior.
- Rigging: Applying the rotation is crucial for rigging so bones can be properly aligned.
- Exporting: Many applications expect objects to have their rotation applied before importing.
Methods for Applying Rotation
There are two primary ways to apply rotation transforms in Blender:
-
Using the Object Menu:
- Select the object you want to apply the rotation to in the 3D Viewport.
- Go to the "Object" menu in the header.
- Navigate to "Apply".
- Select "Rotation".
-
Using the Shortcut:
- Select the object you want to apply the rotation to.
- Press
Ctrl + A
. This opens the "Apply" menu. - Select "Rotation".
After applying the rotation, the object's Rotation values in the Properties panel (N-panel) under the "Object" tab will reset to (0, 0, 0). The visual orientation of the object in the 3D Viewport will remain unchanged.
Considerations
- Object Origin: Applying the rotation does not affect the object's origin point. If the origin is not where you want it, you may need to adjust it separately (Object > Set Origin).
- Scale and Location: Besides rotation, you can also apply scale, location, or all transforms using the same "Apply" menu.
- Undo: Remember that you can always undo the apply operation with
Ctrl + Z
if you're not happy with the result.